| \ dpANS6 (sect 3.1.3.1) says |
\ dpANS6 (sect 3.1.3.1) says |
| \ "a true flag ... [is] a single-cell value with all bits set" |
\ "a true flag ... [is] a single-cell value with all bits set" |
| \ better definition: 0 0= constant true ( no dependence on 2's compl) |
\ better definition: 0 0= constant true ( no dependence on 2's compl) |
| -1 Constant true \ see starts looking for |
-1 Constant true ( -- f ) \ core-ext |
| \ primitives after this word! |
\G CONSTANT: f is a cell with all bits set. |
| 0 Constant false |
\ see starts looking for primitives after this word! |
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0 Constant false ( -- f ) \ core-ext |
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\G CONSTANT: f is a cell with all bits clear. |
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| 1 cells Constant cell ( -- u ) \ gforth |
1 cells Constant cell ( -- u ) \ gforth |
| 1 floats Constant float ( -- u ) \ gforth |
1 floats Constant float ( -- u ) \ gforth |
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| 20 Constant bl \ used by docon:, must be constant |
20 Constant bl ( -- c-char ) \ core |
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\G c-char is the character value for a space. |
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\ used by docon:, must be constant |
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| FF Constant /line |
FF Constant /line |
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| AUser next-task main-task next-task ! |
AUser next-task main-task next-task ! |
| AUser prev-task main-task prev-task ! |
AUser prev-task main-task prev-task ! |
| AUser save-task 0 save-task ! |
AUser save-task 0 save-task ! |
| AUser sp0 \ used by douser:, must be user |
AUser sp0 ( -- a-addr ) \ gforth |
| ' sp0 Alias s0 |
\G USER VARIABLE: Initial value of the data stack pointer. |
| AUser rp0 ' rp0 Alias r0 |
\ sp0 is used by douser:, must be user |
| AUser fp0 \ no f0, because this leads to unexpected results |
' sp0 Alias s0 ( -- a-addr ) \ gforth |
| AUser lp0 ' lp0 Alias l0 |
\G OBSOLETE alias of @code{sp0} |
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AUser rp0 ( -- a-addr ) \ gforth |
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\G USER VARIABLE: Initial value of the return stack pointer. |
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' rp0 Alias r0 ( -- a-addr ) \ gforth |
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\G OBSOLETE alias of @code{rp0} |
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AUser fp0 ( -- a-addr ) \ gforth |
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\G USER VARIABLE: Initial value of the floating-point stack pointer. |
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\ no f0, because this leads to unexpected results when using hex |
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AUser lp0 ( -- a-addr ) \ gforth |
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\G USER VARIABLE: Initial value of the locals stack pointer. |
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' lp0 Alias l0 ( -- a-addr ) \ gforth |
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\G OBSOLETE alias of @code{lp0} |
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| AUser handler \ pointer to last throw frame |
AUser handler \ pointer to last throw frame |
| AUser backtrace-empty \ true if the next THROW should store a backtrace |
AUser backtrace-empty \ true if the next THROW should store a backtrace |
| \ AUser output |
\ AUser output |
| [IFUNDEF] #tib \ in ec-Version we may define this ourself |
[IFUNDEF] #tib \ in ec-Version we may define this ourself |
| User tibstack \ saves >tib in execute |
User tibstack \ saves >tib in execute |
| User >tib \ pointer to terminal input buffer |
User >tib \ pointer to terminal input buffer |
| User #tib \ chars in terminal input buffer |
User #tib ( -- a-addr ) \ core-ext |
| User >in 0 >in ! \ char number currently processed in tib |
\G USER VARIABLE: a-addr is the address of a cell containing |
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\G the number of characters in the terminal input buffer. |
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\G OBSOLESCENT: @code{source} superceeds the function of this word. |
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User >in ( -- a-addr ) \ core |
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\G USER VARIABLE: a-addr is the address of a cell containing the |
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\G char offset from the start of the terminal input buffer to the |
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\G start of the parse area |
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0 >in ! \ char number currently processed in tib |
| [THEN] |
[THEN] |
| has? file [IF] |
has? file [IF] |
| User blk 0 blk ! |
User blk ( -- a-addr ) \ block |
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\G USER VARIABLE: a-addr is the address of a cell containing zero |
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\G (in which case the input source is not a block and can be identified |
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\G by @code{source-id}) or the number of the block currently being |
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\G interpreted. A Standard program should not alter @code{blk} directly. |
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0 blk ! |
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| User loadfile 0 loadfile ! |
User loadfile 0 loadfile ! |
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| User loadfilename# 0 loadfilename# ! |
User loadfilename# 0 loadfilename# ! |
| \ the current interpreted line (in TIB) |
\ the current interpreted line (in TIB) |
| [THEN] |
[THEN] |
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| User base A base ! |
User base ( -- a-addr ) \ core |
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\G USER VARIABLE: a-addr is the address of a cell that stores the |
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\G number base used by default for number conversion during input and output. |
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A base ! |
| User dpl -1 dpl ! |
User dpl -1 dpl ! |
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| User state 0 state ! |
User state ( -- a-addr ) \ core,tools-ext |
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\G USER VARIABLE: a-addr is the address of a cell containing |
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\G the compilation state flag. 0 => interpreting, -1 => compiling. |
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\G A program shall not directly alter the value of @code{state}. The |
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\G following Standard words alter the value in @code{state}: |
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\G @code{:} (colon) @code{;} (semicolon) @code{abort} @code{quit} |
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\G @code{:noname} @code{[} (left-bracket) @code{]} (right-bracket) |
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\G @code{;code} |
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0 state ! |
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| AUser normal-dp \ the usual dictionary pointer |
AUser normal-dp \ the usual dictionary pointer |
| AUser dpp normal-dp dpp ! |
AUser dpp normal-dp dpp ! |
| \ the pointer to the current dictionary pointer |
\ the pointer to the current dictionary pointer |
